--- /dev/null
+/* memoryDebug.c - NeonServ v5.3
+ * Copyright (C) 2011-2012 Philipp Kreil (pk910)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#include "main.h"
+#include "memoryDebug.h"
+#include "memoryInfo.h"
+
+#define FILE_NAME_LENGTH 256
+#define OUTPUT_FILE "leak_info.txt"
+
+#undef malloc
+#undef calloc
+#undef strdup
+#undef free
+
+struct MemoryNode {
+void *address;
+unsigned int size;
+char file_name[FILE_NAME_LENGTH];
+unsigned int line;
+};
+
+struct MemoryLeak {
+struct MemoryNode mem_info;
+struct MemoryLeak *next;
+};
+
+#ifdef HAVE_THREADS
+static pthread_mutex_t synchronized;
+#endif
+
+static struct MemoryLeak *ptr_start = NULL;
+
+static void add_mem_info(void * mem_ref, unsigned int size, const char *file, unsigned int line);
+static void remove_mem_info(void * mem_ref);
+
+void *xmalloc(unsigned int size, const char *file, unsigned int line) {
+ void *ptr = malloc(size);
+ if (ptr != NULL) {
+ add_mem_info(ptr, size, file, line);
+ }
+ return ptr;
+}
+
+void *xcalloc(unsigned int elements, unsigned int size, const char *file, unsigned int line) {
+ void *ptr = calloc(elements, size);
+ if(ptr != NULL) {
+ add_mem_info(ptr, (elements * size), file, line);
+ }
+ return ptr;
+}
+
+char *xstrdup(const char *data, const char *file, unsigned int line) {
+ int len = strlen(data)+1;
+ char *ptr = malloc(len);
+ if(ptr != NULL) {
+ strcpy(ptr, data);
+ add_mem_info(ptr, len, file, line);
+ }
+ return ptr;
+}
+
+void xfree(void *mem_ref) {
+ remove_mem_info(mem_ref);
+ free(mem_ref);
+}
+
+
+static void add_mem_info(void *mem_ref, unsigned int size, const char *file, unsigned int line) {
+ SYNCHRONIZE(synchronized);
+ struct MemoryLeak *mem_leak_info = malloc (sizeof(*mem_leak_info));
+ mem_leak_info->mem_info.address = mem_ref;
+ mem_leak_info->mem_info.size = size;
+ strcpy(mem_leak_info->mem_info.file_name, file);
+ mem_leak_info->mem_info.line = line;
+ mem_leak_info->next = ptr_start;
+ ptr_start = mem_leak_info;
+ DESYNCHRONIZE(synchronized);
+}
+
+static void remove_mem_info(void *mem_ref) {
+ SYNCHRONIZE(synchronized);
+ struct MemoryLeak *leak_info, *next, *prev = NULL;
+ for(leak_info = ptr_start; leak_info; leak_info = next) {
+ next = leak_info->next;
+ if (leak_info->mem_info.address == mem_ref) {
+ if(prev)
+ prev->next = next;
+ else
+ ptr_start = next;
+ free(leak_info);
+ break;
+ } else
+ prev = leak_info;
+ }
+ DESYNCHRONIZE(synchronized);
+}
+
+void report_mem_leak() {
+ SYNCHRONIZE(synchronized);
+ struct MemoryLeak *leak_info;
+ FILE *fp_write = fopen(OUTPUT_FILE, "wt");
+ char info[1024];
+
+ if(fp_write != NULL) {
+ sprintf(info, "%s\n", "Memory Leak Summary");
+ fwrite(info, (strlen(info)) , 1, fp_write);
+ sprintf(info, "%s\n", "-----------------------------------");
+ fwrite(info, (strlen(info)) , 1, fp_write);
+
+ for(leak_info = ptr_start; leak_info != NULL; leak_info = leak_info->next) {
+ sprintf(info, "address : %p\n", leak_info->mem_info.address);
+ fwrite(info, (strlen(info)) , 1, fp_write);
+ sprintf(info, "size : %d bytes\n", leak_info->mem_info.size);
+ fwrite(info, (strlen(info)) , 1, fp_write);
+ sprintf(info, "file : %s\n", leak_info->mem_info.file_name);
+ fwrite(info, (strlen(info)) , 1, fp_write);
+ sprintf(info, "line : %d\n", leak_info->mem_info.line);
+ fwrite(info, (strlen(info)) , 1, fp_write);
+ sprintf(info, "%s\n", "-----------------------------------");
+ fwrite(info, (strlen(info)) , 1, fp_write);
+ }
+ }
+ fclose(fp_write);
+ DESYNCHRONIZE(synchronized);
+}
+
+void initMemoryDebug() {
+ THREAD_MUTEX_INIT(synchronized);
+}
+
+struct memoryInfoFiles *getMemoryInfoFiles() {
+ SYNCHRONIZE(synchronized);
+ struct MemoryLeak *leak_info;
+ struct memoryInfoFiles *list = NULL, *element;
+ for(leak_info = ptr_start; leak_info != NULL; leak_info = leak_info->next) {
+ for(element = list; element; element = element->next) {
+ if(!strcmp(leak_info->mem_info.file_name, element->filename)) {
+ break;
+ }
+ }
+ if(!element) {
+ element = malloc(sizeof(*element));
+ element->filename = strdup(leak_info->mem_info.file_name);
+ element->allocations = 0;
+ element->allocated = 0;
+ element->next = list;
+ list = element;
+ }
+ element->allocations += 1;
+ element->allocated += leak_info->mem_info.size;
+ }
+ DESYNCHRONIZE(synchronized);
+ return element;
+}
+
+void freeMemoryInfoFiles(struct memoryInfoFiles *files) {
+ struct memoryInfoFiles *next;
+ for(;files;files = next) {
+ next = files->next;
+ free(files->filename);
+ free(files);
+ }
+}
+
+struct memoryInfoLines *getMemoryInfoLines(const char *filename) {
+ SYNCHRONIZE(synchronized);
+ struct MemoryLeak *leak_info;
+ struct memoryInfoLines *list = NULL, *element;
+ for(leak_info = ptr_start; leak_info != NULL; leak_info = leak_info->next) {
+ if(stricmp(leak_info->mem_info.file_name, filename)) continue;
+ for(element = list; element; element = element->next) {
+ if(element->line == leak_info->mem_info.line && element->allocate == leak_info->mem_info.size) {
+ break;
+ }
+ }
+ if(!element) {
+ element = malloc(sizeof(*element));
+ element->line = leak_info->mem_info.line;
+ element->allocations = 0;
+ element->allocate = leak_info->mem_info.size;
+ element->next = list;
+ list = element;
+ }
+ element->allocations++;
+ }
+ DESYNCHRONIZE(synchronized);
+ return element;
+}
+
+void freeMemoryInfoLines(struct memoryInfoLines *lines) {
+ struct memoryInfoLines *next;
+ for(;lines;lines = next) {
+ next = lines->next;
+ free(lines);
+ }
+}
projects / NeonServV5.git / blobdiff